4. Suppose a 10 N force is applied to the side of a 4.0 kg block that is sitting on a table. ... Coefficient of Friction Worksheet Author: The Phillips'
SPH4C – Friction 1. A block is ... The coefficient of static friction between a 10 kg object and the floor is 0.50. ... A hockey puck has a coefficient of kinetic
Suppose a 10 N force is applied to the side of a 4.0 kg block that is sitting on a table. The block experiences a frictional force against the force that is
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7) A 6.2 kg object is pulled along a horizontal surface by a force of 22.0 N. If its acceleration is 1.1 m/s2, what is the coefficient of friction between the two surfaces? 8) A 1250 kg car traveling at 60.0 km/h comes to a sudden stop in 35 m . What
weight of the box is 55 N. Draw all the forces acting on the box. a. How large is the force of friction? b. Is the frictional force static or kinetic? c. What is the coefficient of friction? 2. If the coefficient of kinetic friction between a crate a
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coefficient of friction is the same as ... A hockey puck is hit on a frozen lake and starts moving ... coefficient of kinetic friction between puck and ice
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Understand different materials will have different coefficients of friction. Student ... Coefficient of Static Friction. Kinetic Friction. Coefficient of Kinetic Friction. Work, Force, Friction, Howard/Ingraham, 9/17/07, SEP 0508 www.clarkson.edu/k12
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Find the coefficient of sliding friction. FN =1760N. Ff = 400.0N. Ff = µFN. →. µ = Ff. FN. µ = Ff. FN. →. µ = 400.0N. 1760N. →. µ = 0.227. Since the trunk is moving at CONSTANT speed, the horizontal forces must be in balance (Fnet = 0). That means th
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Coefficient of Friction Worksheet 1. A hockey puck has a coefficient of kinetic friction of µk = .10. If the puck feels a normal force (FN) of 5 N, what is the frictional force that acts on the puck?
2. Suppose a 10 N force is applied to the side of a 4.0 kg block that is sitting on a table. The block experiences a frictional force against the force that is applied. a. Draw a force diagram for the block.
b. What is the weight of the block (FG)?
c. What is the normal force on the block (FN)?
d. If the coefficient of kinetic friction is µk = .20, what is the frictional force on the block (Ff)?
e. What is the net force on the block?
f. What is the acceleration of the block from the net force?
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3. For the block in Problem 2, what would be the minimum value of the coefficient of static friction in order for the block to remain motionless?
4. A block weighing 300 N is moved at a constant speed over a horizontal surface by a force of 50 N applied parallel to the surface. What does the “constant speed” tell you about the forces acting on the block?
a. Draw a force diagram for the block.
b. What is the coefficient of kinetic friction (µk)?
c. What is the mass of the block?
d. What would be the acceleration of the block if µk = 0?
5. A 100 N force is applied to the side of a crate resting on a level floor. The crate has a mass of 50 kg. If the coefficient of static friction is µs = .25, is the 100 N force enough to make the crate accelerate? Explain why or why not. (As always, start with a force diagram)
